Synthesis of 2-Isoxazolines: Enantioselective and Racemic Methods Based on Conjugate Additions of Oximes
作者:Antti Pohjakallio、Petri M. Pihko、Ulla M. Laitinen
DOI:10.1002/chem.201000861
日期:——
enabled us to discover an enantioselective process in which the fragile conjugate‐addition product generated in the first stage is rapidly cyclized into the stable isoxazoline under acidic conditions, with conservation of enantiomeric excess. In summary, herein we describe synthetically useful protocols for accessing 3‐unsubstituted 2‐isoxazolines in both the enantioselective and racemic manner. The
A Versatile Entry to 3-Unsubstituted 2-Isoxazolines
作者:Petri Pihko、Antti Pohjakallio
DOI:10.1055/s-2008-1042900
日期:2008.4
A new catalytic method for the preparation of 3-unsubstituted 2-isoxazolines is reported. The isoxazolines are easily prepared from the aliphatic α,β-unsaturated aldehydes and simple oximes in the presence of an anilinium salt catalyst.